Jim Lynch at ExtremeTech have had a look at Ubuntu and loves it.
Read the review here

Quote:

We liked this version of Ubuntu, with its very fast, new graphical installer based on the Live CD Faster system startup and login, simplified menu organization, graphical shutdown process, easy access to power management settings with GNOME Power Manager It also now includes GNOME 2.14.1, OpenOffice.org 2.0.2, X.org 7.0 and a plethora of included application choices, but there's still no VPN wizard, and playing DVDs should be simpler.